Tracked live by the FAA, but its flight plan was first seen after takeoff, so we don't know the scheduled time and can't say whether it's late.

HORIZON · FLIGHT QX 2310 PROBABLY LANDED (THE FAA HASN'T CONFIRMED THE LANDING TIME) · SCHEDULED TIME UNKNOWN
Yesterday

QX 2310 · GPI → SEA

took off 7:20 PM -05 · probably landed (not confirmed) (scheduled time unknown)
Forecast issued Wed 6:00 PM ET · 2h before departure

Odds over time

Arrive at SEA more than 15 minutes late?
33% chance · ±0 pts +19 pts · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 1.1d 12h 6h Now Departs Lands